Denny's offers a free Original Grand Slam breakfast on your birthday when you sign up for their rewards program. This birthday freebie includes pancakes, eggs, bacon or sausage, and more, available for dine-in only. By joining Denny's Rewards, you'll also get a 20% off discount and access to special promotions like Kids Eat Free. 

 Start your day right with the classic breakfast that has been delighting taste buds for generations. The Original Grand Slam at Denny's is the perfect way to fuel up for whatever your day has in store.